1 /*
2  * drxd.h: DRXD DVB-T demodulator driver
3  *
4  * Copyright (C) 2005-2007 Micronas
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 only, as published by the Free Software Foundation.
9  *
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20  * 02110-1301, USA
21  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
22  */
23 
24 #ifndef _DRXD_H_
25 #define _DRXD_H_
26 
27 #include <linux/kconfig.h>
28 #include <linux/types.h>
29 #include <linux/i2c.h>
30 
31 struct drxd_config {
32 	u8 index;
33 
34 	u8 pll_address;
35 	u8 pll_type;
36 #define DRXD_PLL_NONE     0
37 #define DRXD_PLL_DTT7520X 1
38 #define DRXD_PLL_MT3X0823 2
39 
40 	u32 clock;
41 	u8 insert_rs_byte;
42 
43 	u8 demod_address;
44 	u8 demoda_address;
45 	u8 demod_revision;
46 
47 	/* If the tuner is not behind an i2c gate, be sure to flip this bit
48 	   or else the i2c bus could get wedged */
49 	u8 disable_i2c_gate_ctrl;
50 
51 	u32 IF;
52 	 s16(*osc_deviation) (void *priv, s16 dev, int flag);
53 };
54 
55 #if IS_ENABLED(CONFIG_DVB_DRXD)
56 extern
57 struct dvb_frontend *drxd_attach(const struct drxd_config *config,
58 				 void *priv, struct i2c_adapter *i2c,
59 				 struct device *dev);
60 #else
61 static inline
62 struct dvb_frontend *drxd_attach(const struct drxd_config *config,
63 				 void *priv, struct i2c_adapter *i2c,
64 				 struct device *dev)
65 {
66 	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
67 	       __func__);
68 	return NULL;
69 }
70 #endif
71 
72 #endif
73